53719540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{1087}}^1$

素因数の和:1456

約数の個数: 48

約数和(自身を含む): 129411072

約数和(自身を除く): 75691532

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 353, 706, 1087, 1412, 1765, 2174, 2471, 3530, 4348, 4942, 5435, 7060, 7609, 9884, 10870, 12355, 15218, 21740, 24710, 30436, 38045, 49420, 76090, 152180, 383711, 767422, 1534844, 1918555, 2685977, 3837110, 5371954, 7674220, 10743908, 13429885, 26859770, 53719540]

約数ペア:

[(1, 53719540), (2, 26859770), (4, 13429885), (5, 10743908), (7, 7674220), (10, 5371954), (14, 3837110), (20, 2685977), (28, 1918555), (35, 1534844), (70, 767422), (140, 383711), (353, 152180), (706, 76090), (1087, 49420), (1412, 38045), (1765, 30436), (2174, 24710), (2471, 21740), (3530, 15218), (4348, 12355), (4942, 10870), (5435, 9884), (7060, 7609)]